Remove unnecessary setUp, tearDown and __init__ in tests

These methods simply call the same parent class method with the same
arguments. This is the default behavior of Python and re-implementing
that is unnecessary.

Change-Id: I29503f6c5442e2aae645899dc157466e6201ba75

nova/tests/scheduler/test_rpcapi.py

@@ -29,13 +29,6 @@ FLAGS = flags.FLAGS
 
 
 class SchedulerRpcAPITestCase(test.TestCase):
-
-    def setUp(self):
-        super(SchedulerRpcAPITestCase, self).setUp()
-
-    def tearDown(self):
-        super(SchedulerRpcAPITestCase, self).tearDown()
-
     def _test_scheduler_api(self, method, rpc_method, **kwargs):
         ctxt = context.RequestContext('fake_user', 'fake_project')
         rpcapi = scheduler_rpcapi.SchedulerAPI()

nova/tests/test_flags.py

@@ -28,10 +28,6 @@ FLAGS.register_opt(cfg.StrOpt('flags_unittest',
 
 
 class FlagsTestCase(test.TestCase):
-
-    def setUp(self):
-        super(FlagsTestCase, self).setUp()
-
     def test_declare(self):
         self.assert_('answer' not in FLAGS)
         flags.DECLARE('answer', 'nova.tests.declare_flags')

nova/tests/test_libvirt.py

@@ -3912,9 +3912,6 @@ class LibvirtNonblockingTestCase(test.TestCase):
         super(LibvirtNonblockingTestCase, self).setUp()
         self.flags(libvirt_nonblocking=True, libvirt_uri="test:///default")
 
-    def tearDown(self):
-        super(LibvirtNonblockingTestCase, self).tearDown()
-
     def test_connection_to_primitive(self):
         """Test bug 962840"""
         import nova.virt.libvirt.driver as libvirt_driver

nova/tests/test_nexenta.py

@@ -48,9 +48,6 @@ class TestNexentaDriver(nova.test.TestCase):
         'volume_name': TEST_VOLUME_NAME,
     }
 
-    def __init__(self, method):
-        super(TestNexentaDriver, self).__init__(method)
-
     def setUp(self):
         super(TestNexentaDriver, self).setUp()
         self.flags(

nova/tests/test_solidfire.py

@@ -24,9 +24,6 @@ LOG = logging.getLogger(__name__)
 
 
 class SolidFireVolumeTestCase(test.TestCase):
-    def setUp(self):
-        super(SolidFireVolumeTestCase, self).setUp()
-
     def fake_issue_api_request(obj, method, params):
         if method is 'GetClusterInfo':
             LOG.info('Called Fake GetClusterInfo...')

nova/tests/test_storwize_svc.py

@@ -889,9 +889,6 @@ class StorwizeSVCManagementSimulator:
 
 
 class StorwizeSVCFakeDriver(storwize_svc.StorwizeSVCDriver):
-    def __init__(self, *args, **kwargs):
-        super(StorwizeSVCFakeDriver, self).__init__(*args, **kwargs)
-
     def set_fake_storage(self, fake):
         self.fake_storage = fake
 

nova/tests/test_virt_drivers.py

@@ -554,9 +554,6 @@ class LibvirtConnTestCase(_VirtDriverTestCase):
         self.driver_module = 'nova.virt.libvirt.LibvirtDriver'
         super(LibvirtConnTestCase, self).setUp()
 
-    def tearDown(self):
-        super(LibvirtConnTestCase, self).tearDown()
-
     def test_force_hard_reboot(self):
         self.flags(libvirt_wait_soft_reboot_seconds=0)
         self.test_reboot()

nova/tests/xenapi/stubs.py

@@ -164,9 +164,6 @@ class FakeSessionForVMTests(fake.SessionBase):
                                   "COMMIT\n"
                                   "# Completed on Sun Nov  6 22:49:02 2011\n")
 
-    def __init__(self, uri):
-        super(FakeSessionForVMTests, self).__init__(uri)
-
     def host_call_plugin(self, _1, _2, plugin, method, _5):
         if (plugin, method) == ('glance', 'download_vhd'):
             root_uuid = _make_fake_vdi()
@@ -286,9 +283,6 @@ def stub_out_vm_methods(stubs):
 
 class FakeSessionForVolumeTests(fake.SessionBase):
     """ Stubs out a XenAPISession for Volume tests """
-    def __init__(self, uri):
-        super(FakeSessionForVolumeTests, self).__init__(uri)
-
     def VDI_introduce(self, _1, uuid, _2, _3, _4, _5,
                       _6, _7, _8, _9, _10, _11):
         valid_vdi = False
@@ -303,9 +297,6 @@ class FakeSessionForVolumeTests(fake.SessionBase):
 
 class FakeSessionForVolumeFailedTests(FakeSessionForVolumeTests):
     """ Stubs out a XenAPISession for Volume tests: it injects failures """
-    def __init__(self, uri):
-        super(FakeSessionForVolumeFailedTests, self).__init__(uri)
-
     def VDI_introduce(self, _1, uuid, _2, _3, _4, _5,
                       _6, _7, _8, _9, _10, _11):
         # This is for testing failure
@@ -358,9 +349,6 @@ def stub_out_migration_methods(stubs):
 
 
 class FakeSessionForFailedMigrateTests(FakeSessionForVMTests):
-    def __init__(self, uri):
-        super(FakeSessionForFailedMigrateTests, self).__init__(uri)
-
     def VM_assert_can_migrate(self, session, vmref, migrate_data,
                               live, vdi_map, vif_map, options):
         raise fake.Failure("XenAPI VM.assert_can_migrate failed")

nova/tests/xenapi/test_vm_utils.py

@@ -14,9 +14,6 @@ class GetInstanceForVdisForSrTestCase(stubs.XenAPITestBase):
                    xenapi_connection_url='test_url',
                    xenapi_connection_password='test_pass',)
 
-    def tearDown(self):
-        super(GetInstanceForVdisForSrTestCase, self).tearDown()
-
     def test_get_instance_vdis_for_sr(self):
         vm_ref = fake.create_vm("foo", "Running")
         sr_ref = fake.create_sr()